2 open source boards using the 70208
Real designs built with the 70208, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
V40 64K 640K ISA
homebrew8088
145.8 × 91.4 mm23 parts2LGPL-3.0238
V40
132 × 73.9 mm11 parts2LGPL-3.0238
The 70208 in open source designs
The gallery holds 2 open source boards using the 70208 from 1 GitHub repository; a typical one measures about 138.9 × 82.7 mm and carries around 17 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is V40 64K 640K ISA by homebrew8088.
70208: common questions
Where can I find a 70208 reference design?
Each of the 2 boards on this page is a real design using the 70208. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the 70208?
The median is 138.9 × 82.7 mm, and 100% are two-layer designs.
What is the most popular open source board using the 70208?
By GitHub stars, V40 64K 640K ISA by homebrew8088, with 238 stars.
Can I simulate one of these boards using the 70208 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.